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Center for Computational Systems Medicine
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Fusion Gene and Fusion Protein Summary

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Fusion Amino Acid Sequences (multiple BPs and multiple gene isoforms)

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Fusion Protein Breakpoint Sequences - (for the Screening of the FusionNeoAntigens)

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Potential FusionNeoAntigens in HLA I - (netMHCpan v4.1 + deepHLApan v1.1)

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Potential FusionNeoAntigens in HLA II - (netMHCIIpan v4.1)

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Fusion Breakpoint 14 AA Peptide Structure - (RoseTTAFold)

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D - (Glide)

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Vaccine Design for the FusionNeoAntigens (RNA/protein sequences)

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Potential target of CAR-T therapy development

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Information on the samples that have these potential fusion neoantigens

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Fusion Protein Targeting Drugs - (Manual Curation)

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Fusion Protein Related diseases - (Manual Curation)

Fusion Protein:CHAF1A-CCDC94

Fusion Gene and Fusion Protein Summary

check button Fusion gene summary
Fusion partner gene informationFusion gene name: CHAF1A-CCDC94
FusionPDB ID: 16203
FusionGDB2.0 ID: 16203
HgeneTgene
Gene symbol

CHAF1A

CCDC94

Gene ID

10036

55702

Gene namechromatin assembly factor 1 subunit AYJU2 splicing factor homolog
SynonymsCAF-1|CAF1|CAF1B|CAF1P150|P150CCDC94
Cytomap

19p13.3

19p13.3

Type of geneprotein-codingprotein-coding
Descriptionchromatin assembly factor 1 subunit ACAF-1 subunit ACAF-I 150 kDa subunitCAF-I p150CTB-50L17.7chromatin assembly factor I (150 kDa)chromatin assembly factor I p150 subunithp150splicing factor YJU2coiled-coil domain containing 94coiled-coil domain-containing protein 94
Modification date2020031320200313
UniProtAcc

Q13111

Main function of 5'-partner protein: FUNCTION: Core component of the CAF-1 complex, a complex that is thought to mediate chromatin assembly in DNA replication and DNA repair. Assembles histone octamers onto replicating DNA in vitro. CAF-1 performs the first step of the nucleosome assembly process, bringing newly synthesized histones H3 and H4 to replicating DNA; histones H2A/H2B can bind to this chromatin precursor subsequent to DNA replication to complete the histone octamer. It may play a role in heterochromatin maintenance in proliferating cells by bringing newly synthesized cbx proteins to heterochromatic DNA replication foci. {ECO:0000250|UniProtKB:Q5R1T0}.
.
Ensembl transtripts involved in fusion geneENST idsENST00000301280, ENST00000587368, 
ENST00000262962, 
Fusion gene scores for assessment (based on all fusion genes of FusionGDB 2.0)* DoF score5 X 6 X 3=906 X 6 X 5=180
# samples 58
** MAII scorelog2(5/90*10)=-0.84799690655495
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
log2(8/180*10)=-1.16992500144231
possibly effective Gene in Pan-Cancer Fusion Genes (peGinPCFGs).
DoF>8 and MAII<0
Fusion gene context

PubMed: CHAF1A [Title/Abstract] AND CCDC94 [Title/Abstract] AND fusion [Title/Abstract]

Fusion neoantigen context

PubMed: CHAF1A [Title/Abstract] AND CCDC94 [Title/Abstract] AND neoantigen [Title/Abstract]

Most frequent breakpoint (based on all fusion genes of FusionGDB 2.0)CHAF1A(4428887)-CCDC94(4261991), # samples:3
Anticipated loss of major functional domain due to fusion event.CHAF1A-CCDC94 seems lost the major protein functional domain in Hgene partner, which is a CGC by not retaining the major functional domain in the partially deleted in-frame ORF.
CHAF1A-CCDC94 seems lost the major protein functional domain in Hgene partner, which is a CGC by not retaining the major functional domain in the partially deleted in-frame ORF.
CHAF1A-CCDC94 seems lost the major protein functional domain in Hgene partner, which is a essential gene by not retaining the major functional domain in the partially deleted in-frame ORF.
CHAF1A-CCDC94 seems lost the major protein functional domain in Hgene partner, which is a essential gene by not retaining the major functional domain in the partially deleted in-frame ORF.
* DoF score (Degree of Frequency) = # partners X # break points X # cancer types
** MAII score (Major Active Isofusion Index) = log2(# samples/DoF score*10)

check button Gene ontology of each fusion partner gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
HgeneCHAF1A

GO:0006335

DNA replication-dependent nucleosome assembly

14718166

HgeneCHAF1A

GO:0031497

chromatin assembly

8858152



check button Four levels of functional features of fusion genes
Go to FGviewer search page for the most frequent breakpoint (https://ccsmweb.uth.edu/FGviewer/chr19:4428887/chr19:4261991)
- FGviewer provides the online visualization of the retention search of the protein functional features across DNA, RNA, protein, and pathological levels.
- How to search
1. Put your fusion gene symbol.
2. Press the tab key until there will be shown the breakpoint information filled.
4. Go down and press 'Search' tab twice.
4. Go down to have the hyperlink of the search result.
5. Click the hyperlink.
6. See the FGviewer result for your fusion gene.
FGviewer

check buttonRetention analysis results of each fusion partner protein across 39 protein features of UniProt such as six molecule processing features, 13 region features, four site features, six amino acid modification features, two natural variation features, five experimental info features, and 3 secondary structure features, are available here.

check buttonFusion gene breakpoints across CHAF1A (5'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
all structure

check buttonFusion gene breakpoints across CCDC94 (3'-gene)
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
all structure


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Fusion Amino Acid Sequences


check buttonFusion information from ORFfinder translation from full-length transcript sequence from FusionPDB.
HenstTenstHgeneHchrHbpHstrandTgeneTchrTbpTstrandSeq length
(transcript)
BP loci
(transcript)
Predicted start
(transcript)
Predicted stop
(transcript)
Seq length
(amino acids)
ENST00000301280CHAF1Achr194428887+ENST00000262962CCDC94chr194261991+24841705712089672
ENST00000301280CHAF1Achr194428886+ENST00000262962CCDC94chr194261990+24841705712089672

check buttonDeepORF prediction of the coding potential based on the fusion transcript sequence of in-frame fusion genes. DeepORF is a coding potential classifier based on convolutional neural network by comparing the real Ribo-seq data. If the no-coding score < 0.5 and coding score > 0.5, then the in-frame fusion transcript is predicted as being likely translated.
HenstTenstHgeneHchrHbpHstrandTgeneTchrTbpTstrandNo-coding scoreCoding score
ENST00000301280ENST00000262962CHAF1Achr194428887+CCDC94chr194261991+0.0111231140.9888769
ENST00000301280ENST00000262962CHAF1Achr194428886+CCDC94chr194261990+0.0111231140.9888769

check button Predicted full-length fusion amino acid sequences. For individual full-length fusion transcript sequence from FusionPDB, we ran ORFfinder and chose the longest ORF among all the predicted ones.

Get the fusion protein sequences from here.

Fusion protein sequence information is available in the fasta format.
>FusionGDB ID_FusionGDB isoform ID_FGname_Hgene_Hchr_Hbp_Henst_Tgene_Tchr_Tbp_Tenst_length(fusion AA) seq_BP

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Fusion Protein Breakpoint Sequences for CHAF1A-CCDC94

check button +/-13 AA sequence from the breakpoints of the fusion protein sequences.
HgeneHchrHbpTgeneTchrTbpLength(fusion protein)BP in fusion proteinPeptide
CHAF1Achr194428886CCDC94chr1942619901705544PTHVSTRNADIFNRALLEEARKRRLL
CHAF1Achr194428887CCDC94chr1942619911705544PTHVSTRNADIFNRALLEEARKRRLL

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Potential FusionNeoAntigen Information of CHAF1A-CCDC94 in HLA I

check button Multiple sequence alignments of the potential FusionNeoAntigens per fusion breakpoints. If the MSA is empty, then it means that there were predicted fusion neoantigens in this fusion breakpoint, but those predicted fusion neoantigens were not across the breakpoint, which is not fusion-specific.
CHAF1A-CCDC94_4428886_4261990.msa

check button Potential FusionNeoAntigen Information
* We used NetMHCpan v4.1 (%rank<0.5) and deepHLApan v1.1 (immunogenic score>0.5)
Fusion geneHchrHbpTgeneTchrTbpHLA IFusionNeoAntigen peptideBinding scoreImmunogenic scoreNeoantigen start (at BP 13)Neoantigen end (at BP 13)
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B39:06NRALLEEA0.99990.77941220
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B27:05TRNADIFNR0.99850.7838514
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B35:03NADIFNRAL0.93190.9028716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B35:04NADIFNRAL0.82430.8101716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B35:02NADIFNRAL0.82430.8101716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B73:01NRALLEEA0.9990.75741220
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C05:09NADIFNRAL0.99990.9642716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C04:10NADIFNRAL0.99990.6353716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C04:07NADIFNRAL0.99990.6601716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C08:15NADIFNRAL0.99990.9773716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C01:17NADIFNRAL0.99980.9496716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:19NADIFNRAL0.99910.994716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:08NADIFNRAL0.99860.9454716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B27:14TRNADIFNR0.99840.6938514
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:07NADIFNRAL0.99830.9867716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C15:06NADIFNRAL0.99740.9484716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C08:04NADIFNRAL0.99580.9694716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C08:13NADIFNRAL0.99580.9694716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C04:06NADIFNRAL0.99230.8096716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C08:03NADIFNRAL0.98770.9891716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C01:30NADIFNRAL0.97660.9624716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:14NADIFNRAL0.97020.9868716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B39:09NADIFNRAL0.96160.5202716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B39:10NADIFNRAL0.95440.8956716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B27:03TRNADIFNR0.95280.8056514
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B14:03NADIFNRAL0.91520.7789716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C04:14NADIFNRAL0.89420.7711716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B35:12NADIFNRAL0.82430.8101716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B73:01TRNADIFNRA0.99640.5872515
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B08:12DIFNRALL0.96130.6494917
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C04:03NADIFNRAL0.99990.7136716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C04:01NADIFNRAL0.99990.6601716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C05:01NADIFNRAL0.99990.9642716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C18:01NADIFNRAL0.99990.6761716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C01:03NADIFNRAL0.99990.9523716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C08:02NADIFNRAL0.99990.9773716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C01:02NADIFNRAL0.99980.9465716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:04NADIFNRAL0.99910.9941716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:03NADIFNRAL0.99910.9941716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:67NADIFNRAL0.99870.9868716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:05NADIFNRAL0.99830.9583716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:17NADIFNRAL0.99820.9817716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C15:05NADIFNRAL0.99740.943716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B27:10TRNADIFNR0.99730.8676514
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C04:04NADIFNRAL0.9930.789716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C08:01NADIFNRAL0.98770.9891716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C03:06NADIFNRAL0.98570.9945716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C07:04NADIFNRAL0.95950.9309716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C16:01NADIFNRAL0.94820.9804716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B35:13NADIFNRAL0.94530.9063716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B08:12NADIFNRAL0.88210.5944716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B35:09NADIFNRAL0.82430.8101716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-C17:01NADIFNRAL0.74580.8733716
CHAF1A-CCDC94chr194428886chr1942619901705HLA-B07:13NADIFNRAL0.58160.824716

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Potential FusionNeoAntigen Information of CHAF1A-CCDC94 in HLA II

check button Multiple sequence alignments of the potential FusionNeoAntigens per fusion breakpoints. If the MSA is empty, then it means that there were predicted fusion neoantigens in this fusion breakpoint, but those predicted fusion neoantigens were not across the breakpoint, which is not fusion-specific.

check button Potential FusionNeoAntigen Information
* We used NetMHCIIpan v4.1 (%rank<0.5).
Fusion geneHchrHbpTgeneTchrTbpHLA IIFusionNeoAntigen peptideNeoantigen start (at BP 13)Neoantigen end (at BP 13)

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Fusion breakpoint peptide structures of CHAF1A-CCDC94

check button3D structures of the fusion breakpoint peptide of 14AA sequence that have potential fusion neoantigens
* The minimum length of the amino acid sequence in RoseTTAFold is 14AA. Here, we predicted the 14AA fusion protein breakpoint sequence not the fusion neoantigen peptide, which is shorter than 14 AA.
File nameBPseqHgeneTgeneHchrHbpTchrTbpAAlen
8048RNADIFNRALLEEACHAF1ACCDC94chr194428886chr1942619901705

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Filtering FusionNeoAntigens Through Checking the Interaction with HLAs in 3D of CHAF1A-CCDC94

check buttonVirtual screening between 25 HLAs (from PDB) and FusionNeoAntigens
* We used Glide to predict the interaction between HLAs and neoantigens.
HLA allelePDB IDFile nameBPseqDocking scoreGlide score
HLA-B14:023BVN8048RNADIFNRALLEEA-5.86293-5.97633
HLA-B14:023BVN8048RNADIFNRALLEEA-4.7505-5.7858
HLA-B52:013W398048RNADIFNRALLEEA-7.16929-7.28269
HLA-B52:013W398048RNADIFNRALLEEA-6.22817-7.26347
HLA-A11:014UQ28048RNADIFNRALLEEA1000110000
HLA-A24:025HGA8048RNADIFNRALLEEA-7.90199-8.01539
HLA-A24:025HGA8048RNADIFNRALLEEA-7.88373-8.91903
HLA-B44:053DX88048RNADIFNRALLEEA-5.57367-5.68707
HLA-B44:053DX88048RNADIFNRALLEEA-4.76642-5.80172

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Vaccine Design for the FusionNeoAntigens of CHAF1A-CCDC94

check button mRNA and peptide sequences of FusionNeoAntigens that have potential interaction with HLA-Is.
Fusion geneHchrHbpTchrTbpStart in +/-13AAEnd in +/-13AAFusionNeoAntigen peptide sequenceFusionNeoAntigen RNA sequence
CHAF1A-CCDC94chr194428886chr1942619901220NRALLEEACAGGGCCCTGTTGGAGGAAGCCAG
CHAF1A-CCDC94chr194428886chr194261990514TRNADIFNRCCGGAATGCAGATATTTTTAACAGGGC
CHAF1A-CCDC94chr194428886chr194261990515TRNADIFNRACCGGAATGCAGATATTTTTAACAGGGCCCT
CHAF1A-CCDC94chr194428886chr194261990716NADIFNRALTGCAGATATTTTTAACAGGGCCCTGTT
CHAF1A-CCDC94chr194428886chr194261990917DIFNRALLTATTTTTAACAGGGCCCTGTTGGA

check button mRNA and peptide sequences of FusionNeoAntigens that have potential interaction with HLA-IIs.
Fusion geneHchrHbpTchrTbpStart in +/-13AAEnd in +/-13AAFusionNeoAntigen peptideFusionNEoAntigen RNA sequence

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Information of the samples that have these potential fusion neoantigens of CHAF1A-CCDC94

check button These samples were reported as having these fusion breakpoints. For individual breakpoints, we checked the open reading frames considering multiple gene isoforms and chose the in-frame fusion genes only. Then, we made fusion protein sequences and predicted the fusion neoantigens. These fusion-positive samples may have these potential fusion neoantigens.
Cancer typeFusion geneHchrHbpHenstTchrTbpTenstSample
BRCACHAF1A-CCDC94chr194428886ENST00000301280chr194261990ENST00000262962TCGA-OL-A5D7-01A

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Potential target of CAR-T therapy development for CHAF1A-CCDC94

check button Predicted 3D structure. We used RoseTTAFold.

check buttonRetention analysis result of each fusion partner protein across 39 protein features of UniProt such as six molecule processing features, 13 region features, four site features, six amino acid modification features, two natural variation features, five experimental info features, and 3 secondary structure features. Here, to provide the retention of the transmembrane domain, we only show the protein feature retention information of those transmembrane features


* Minus value of BPloci means that the break point is located before the CDS.
- In-frame and retained 'Transmembrane'.
PartnerGeneHbpTbpENSTStrandBPexonTotalExonProtein feature loci*BPlociTotalLenProtein featureProtein feature note

check button Subcellular localization prediction of the transmembrane domain retained fusion proteins
* We used DeepLoc 1.0. The order of the X-axis of the barplot is as follows: Entry_ID, Localization, Type, Nucleus, Cytoplasm, Extracellular, Mitochondrion, Cell_membrane, Endoplasmic_reticulum, Plastid, Golgi.apparatus, Lysosome.Vacuole, Peroxisome. Y-axis is the output score of DeepLoc. Clicking the image will open a new tab with a large image.
HgeneHchrHbpHenstTgeneTchrTbpTenstDeepLoc result

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Related Drugs to CHAF1A-CCDC94

check button Drugs used for this fusion-positive patient.
(Manual curation of PubMed, 04-30-2022 + MyCancerGenome)
HgeneTgeneDrugSourcePMID

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Related Diseases to CHAF1A-CCDC94

check button Diseases that have this fusion gene.
(Manual curation of PubMed, 04-30-2022 + MyCancerGenome)
HgeneTgeneDiseaseSourcePMID

check button Diseases associated with fusion partners.
(DisGeNet 4.0)
PartnerGeneDisease IDDisease name# pubmedsSource